Contract: UT, $1.1B

United Technologies Corp., Pratt & Whitney Military Engines, East Hartford, Conn., is being awarded a $1,122,306,649 not-to-exceed undefinitized modification to a previously awarded advanced acquisition contract related to the F-35. It provides for the Lot V Low Rate Initial Production of 21 F135 conventional take off and landing propulsion systems for the Air Force; 3 short take-off and vertical landing systems for the Marine Corps; and 6 carrier variant systems for the Navy. Work will be done in Connecticut, the United Kingdom and Indiana and completed in February 2014. The contract combines purchases for the Air Force (46.3 percent); Marine Corps (34.5 percent); Navy (14.9 percent); and the Cooperative Partner Participants (4.3 percent). The Naval Air Systems Command, Patuxent River, Md. is the contracting activity. (Source: DoD, 12/28/11) Gulf Coast note: Eglin Air Force Base, Fla., is home of the F-35 training center.